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Finding the Fourth Proportional to 29,931.76, 44,902.50 and 11,218.24

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Solution

The fourth proportional to 29,931.76, 44,902.50 and 11,218.24 is: 16,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,931.76 : 44,902.50 = 11,218.24 : x
  2. Step 2: Convert to fraction form
    29,931.76/44,902.50 = 11,218.24/x
  3. Step 3: Cross multiply
    29,931.76x = 44,902.50 × 11,218.24
  4. Step 4: Simplify right side
    29,931.76x = 503,727,021.60
  5. Step 5: Solve for x
    x = 503,727,021.60/29,931.76
  6. Step 6: Final answer
    x = 16,829.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.